Search a number
-
+
380040665077440 = 263252313741878313
BaseRepresentation
bin101011001101001010001110…
…0110101111001011011000000
31211211121112101101022120201100
41112122110130311321123000
5344303041240224434230
63424140134334334400
7143023013651222463
oct12632243465713300
91754545341276640
10380040665077440
11100102382884184
123675a51595a400
13134098b104c223
1469bc0d00412da
152de0ae3354660
hex159a51cd796c0

380040665077440 has 336 divisors, whose sum is σ = 1373971867939008. Its totient is φ = 96230330499072.

The previous prime is 380040665077421. The next prime is 380040665077457. The reversal of 380040665077440 is 44770566040083.

380040665077440 is a `hidden beast` number, since 3 + 8 + 0 + 0 + 4 + 0 + 66 + 507 + 74 + 4 + 0 = 666.

It is a super-2 number, since 2×3800406650774402 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11864277 + ... + 30014036.

Almost surely, 2380040665077440 is an apocalyptic number.

380040665077440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380040665077440 is an abundant number, since it is smaller than the sum of its proper divisors (993931202861568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380040665077440 is a wasteful number, since it uses less digits than its factorization.

380040665077440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41878496 (or 41878483 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 380040665077440 in words is "three hundred eighty trillion, forty billion, six hundred sixty-five million, seventy-seven thousand, four hundred forty".